.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: column;
    background-color: #fff;
    padding: 10px;
    position: fixed;
    bottom: 0;
  }
  
  .header {
    background-color: white;
    padding: 5px;
  }
  
  .content {
    flex: 1; /* 占据剩余空间 */
    padding: 5px;
    background-color: #eaeaea;
    width: 37vw;
  }
  
  .content a {
    flex: 1;
    display: block;
    text-align: center;
    color: #333;
    text-decoration: none;
    border-radius: 5px;
    padding: 8px;
    transition: background-color 0.2s ease-in-out;
    width: 12vw;
  }
  
  .content a:hover {
    background-color: #eee;
  }